Waste Water Engineering If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is 100 ppm 200 ppm 150 ppm 50 ppm 100 ppm 200 ppm 150 ppm 50 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The asbestos cement sewers are Light in weight Not structurally strong to bear large compressive stress Susceptible to corrosion by sulphuric acid All of these Light in weight Not structurally strong to bear large compressive stress Susceptible to corrosion by sulphuric acid All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The effluent of a septic tank is As good as that from a complete treatment Foul and contains dissolved and suspended solids Fit for discharge into any open drain None of these As good as that from a complete treatment Foul and contains dissolved and suspended solids Fit for discharge into any open drain None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The bottom of the sewage inlet chamber of septic tanks, is provided an outward slope 1 in 10 1 in 20 1 in 5 1 in 15 1 in 10 1 in 20 1 in 5 1 in 15 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For efficient working of a sewer, it must be ensured that Minimum velocity of 0.45 m/sec, is maintained at its minimum flow Both (A) and (B) A maximum velocity of 0.90 m/sec, is maintained at its maximum flow Neither (A) nor (B) Minimum velocity of 0.45 m/sec, is maintained at its minimum flow Both (A) and (B) A maximum velocity of 0.90 m/sec, is maintained at its maximum flow Neither (A) nor (B) ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The rational formula for peak drainage discharge, was evolved by All of these Kuichling Fruhling Lloyd David All of these Kuichling Fruhling Lloyd David ANSWER DOWNLOAD EXAMIANS APP